Humminbird 755C, 785C2I manual Cmg/Smg

9 Data Windows, 7 Adjustable, Used by Standard Bird's Eye and Chart Views

Readouts 4 and 5

Bearing	Bearing is the direction to a destination waypoint measured
	in degrees from North (i.e. 321°, where 000° is North, 090°
	East, 180° is South, 270° is West).
CMG/SMG	Course Made Good/Speed Made Good.
	Course Made Good is the angle between the starting point
	on a route and the current position of the boat. The goal is
	to have CMG and Track equal to the same number. See the
	Course Made Good illustration. Speed Made Good is the
	distance from the starting waypoint on the route divided by
	the time elapsed since starting navigation on the route.
Off	Suppresses the readout so that no data shows in that position.
TRK/CMG	Track/Course Made Good.
	The Track is the desired line of travel between two
	waypoints, and represents the most efficient path between
	the two points because it is a straight line. The TRK is
	measured in degrees. See above for an explanation of
	Course Made Good.
TTG	Time To Go.
	Time To Go is the estimated time required to reach the
	destination waypoint. TTG is calculated using the SOG and DTG.
VMG	Velocity Made Good.
	Velocity Made Good is the speed of travel relative to the next
	waypoint on the route. The goal is for VMG to equal Speed.
WPTend/ETA/DTG	Waypoint End/Estimated Time of Arrival/Distance to Go.
	Waypoint End is the last waypoint on the route. Estimated
	Time of Arrival is the estimated time of arrival to the last
	waypoint on the route. Distance To Go is the distance
	between the current position of the boat and the last
	waypoint on the route.

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